Active Park Assist Switch
WARNING: This page is about a different car, the 2018 Lincoln Navigator. However, it is still accessible from the selected car via links, so may be relevant.
The active park assist switch, is a momentary contact switch that enables and disables the active park assist system (parallel parking, perpendicular parking or parallel park out assist).
The active park assist switch is integrated into the ATCM. The switch input is networked from the ATCM to the PAM.